text: * Hartree–Fock method (closed-shell and restricted open-shell)
  * Multi-configurational self-consistent field (MCSCF) (quadratic convergence and state averaging)
  * Multi-reference CISD for an arbitrary set of reference configurations (including a massively parallel version)
  * Configuration interaction calculations are based on Graphical Unitary Group Approach (GUGA).
  * Analytic gradients for MCSCF, MR-CISD, MR-ACPF and MR-AQCC
  * Analytic MCSCF and MR-CISD nonadiabatic coupling vectors
  * Support for electrostatic embedding QM/MM calculations
  * Automatic geometry optimization, saddle-point searches
  * Automatic searches for the minima on conical intersection seams.
  * Spin/orbit configuration interaction